<?php
class CSV extends CONFIG{
	public function exportMysqlToCsv($query,$filename = 'export.csv')
	{
	    $csv_terminated = "\n";
	    $csv_separator = ",";
	    $csv_enclosed = '"';
	    $csv_escaped = "\\";
	    $sql_query = $query;
		//echo $sql_query;
	    // Gets the data from the database
	    $this->ConnectionOpen();
	    $result = mysql_query($sql_query);
	    
	    $fields_cnt = mysql_num_fields($result);
	 
	 
	    $schema_insert = '';
	 
	    for ($i = 0; $i < $fields_cnt; $i++)
	    {
	        $l = $csv_enclosed . str_replace($csv_enclosed, $csv_escaped . $csv_enclosed,
	            stripslashes(mysql_field_name($result, $i))) . $csv_enclosed;
	        $schema_insert .= $l;
	        $schema_insert .= $csv_separator;
	    } // end for
	 
	    $out = trim(substr($schema_insert, 0, -1));
	    $out .= $csv_terminated;
	 
	    // Format the data
	    while ($row = mysql_fetch_array($result))
	    {
	        $schema_insert = '';
	        for ($j = 0; $j < $fields_cnt; $j++)
	        {
	            if ($row[$j] == '0' || $row[$j] != '')
	            {
	 
	                if ($csv_enclosed == '')
	                {
	                    $schema_insert .= $row[$j];
	                } else
	                {
	                    $schema_insert .= $csv_enclosed . 
						str_replace($csv_enclosed, $csv_escaped . $csv_enclosed, $row[$j]) . $csv_enclosed;
	                }
	            } else
	            {
	                $schema_insert .= '';
	            }
	 
	            if ($j < $fields_cnt - 1)
	            {
	                $schema_insert .= $csv_separator;
	            }
	        } // end for
	 
	        $out .= $schema_insert;
	        $out .= $csv_terminated;
	    } // end while
	 	$this->ConnectionClose();
	    header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
	    header("Content-Length: " . strlen($out));
	    // Output to browser with appropriate mime type, you choose ;)
	    header("Content-type: text/x-csv");
	    //header("Content-type: text/csv");
	    //header("Content-type: application/csv");
	    header("Content-Disposition: attachment; filename=$filename");
	    echo $out;
	    exit;
	}
}
?>